Help out your favorite open source projects and become a better developer while doing it.

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

A code-searching tool similar to ack, but faster.

Connect, secure, control, and observe services.

Catch CSS curve balls.

a collaborative knowledge-exchange platform in Rails; we welcome first-time contributors! :balloon:

Support for adding OAuth1(a) and OAuth2 features (consumer and provider) for Spring web applications.

Redefined chart library built with React and D3

JavaScript 3D library.

The Racket repository

The Racket repository

Mod manager for various PC games. Discord Server: https://discord.gg/cYwdcxj if you would like to be more involved

A virtual machine for executing programs written in Hack.

An entity framework for Go

A scalable, distributed Time Series Database.

Video.js - open source HTML5 video player

Postgresql JDBC Driver

:zap: A Fast, Extensible Progress Bar for Python and CLI

Make your first PR! ~ A beginner-friendly repository. Add your profile, a blog, or any program under any language (it can be anything from a hello-world program to a complex data structure algorithm) or update the existing one. Just make sure to add the f

MNE : Magnetoencephalography (MEG) and Electroencephalography (EEG) in Python

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.

The content behind MDN Web Docs

📄 Create PDF files using React

The open source Firebase alternative. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Yii 2: The Fast, Secure and Professional PHP Framework

The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database.

Oni: Modern Modal Editing - powered by Neovim

Ruby enVironment Manager (RVM)

Ruby enVironment Manager (RVM)

:rocket:  A fully-featured, production ready caching GraphQL client for every UI framework and GraphQL server.

Outliner for taking notes and managing to-do lists

Action for checking out a repo

Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform

Telegram-iOS

The Java gRPC implementation. HTTP/2 based RPC

Official docs, website, and handbook for PostHog.

The Free Software Media System

This repository is outdated and new Boost Note app is available! We've launched a new Boost Note app which supports real-time collaborative writing. https://github.com/BoostIO/BoostNote-App

Source code of the recurrent donations platform Liberapay

Free and Open Source UI Library for Vue 3 🤘

Dapper - a simple object mapper for .Net

Official haskell ide support via language server (LSP). Successor of ghcide & haskell-ide-engine.

Fritzing desktop application

The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis

A Git-based CMS for Static Site Generators

Gitpod automates the provisioning of ready-to-code development environments.

Python package for earth-observing satellite data processing

Graphical Java application for managing BibTeX and BibLaTeX (.bib) databases

An operating function